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- 1. Multiple Choice
Speeding up and slowing down are changes in
Choose all that apply.
velocity
speed
acceleration
motion
- 2. Multiple Choice
The starting speed of a car is called its speed.
initial speed
beginning speed
fastest
slowest
- 3. Multiple Choice
To find change in speed, subtract initial speed from speed.
beginning speed
time
final speed
distance
- 4. Multiple Choice
A change in speed and/or direction is called .
speeding up
slowing down
velocity
change in speed
- 5. Multiple Choice
Slowing down is called
Choose all that apply.
negative acceleration
velocity
speed
deceleration
- 6. Multiple Choice
To find acceleration, divide the change in speed by the
time
distance
speed
velocity
- 7. Multiple Choice
Which of the following are examples of acceleration?
Choose all that apply.
A train sitting in the station
A train pulling out of the station
A train traveling consistently at 100km/hr on a straight track
A train going around a curve in the track without changing speed
A train pulling into a station
- 8. Multiple Choice
What is the formula to calculate speed?
Speed = time/distance
Speed = distance/time
Speed = distance x time
Speed = time x distance
- 9. Multiple Choice
Which of the following is a unit for acceleration?
Choose all that apply.
km/s
m/s2
mi/hr
ft
m/s/s
- 10. Multiple Choice
Can be measured in meters per second (m/s)
distance
speed
time
acceleration
- 11. Multiple Choice
What is velocity?
the quickness of an object
speed in a specific direction
the location of an object
acceleration
- 12. Multiple Choice
When a car goes around a corner at 20 mph, why do we say it accelerates?
The car is accelerating because of the velocity is constant
Cars always accelerate when they are in motion
The car is accelerating because it's changing direction
The car accelerates because it's going 20 mph
- 13. Multiple Choice
Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.
Remember: Practice using all steps on paper.
( S = d / t ) ( d = s * t ) ( t = d / s )
18 m/sec
198 m/sec
12 m/sec
170 m/sec
- 14. Multiple Choice
Acceleration is defined as the CHANGE in
the time it takes for one place to move to another place.
the distance divided by the time interval.
the velocity divided by the time.
the velocity of an object.
- 15. Multiple Choice
Acceleration only takes place when things speed up.
true
false
- 16. Multiple Choice
Which situation describes a car which is NOT accelerating?
A car shortly after a stoplight turns green
A car with the cruise control set at a constant 80 km/h
A car approaching a red light
A car turning a curve at a constant speed
- 17. Multiple Choice
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?
Remember: A = Change in Velocity / time
24 m/s2
16 m/s
18 m/s/s
16 m/s2
- 18. Multiple Choice
A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
-0.5 m/s
-7.5 m/s2
-0.5 m/s2
-7.5 m/s
- 19. Multiple Choice
A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration?
0 m/s
-40 m/s2
40 m/s2
40 m/s
- 20. Multiple Choice
Acceleration can be classified as _______________.
Choose all that apply.
Speeding up
Traveling at a constant speed
Slowing Down
Changing directions
- 21. Multiple Choice
A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
Remember: ( A = CIS / t ) ( CIS = A * t ) ( t = CIS / A )
3.3 seconds
35 seconds
750 seconds
0.3 seconds
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